Chimpanzee lip-smacks confirm primate continuity for speech-rhythm evolution
André S. Pereira; Eithne Kavanagh; Catherine Hobaiter; Katie E. Slocombe; Adriano R. Lameira · 2020 · Biology Letters
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Abstract (excerpt)
Abstract Speech is a human hallmark, but its evolutionary origins continue to defy scientific explanation. Recently, the open–close mouth rhythm of 2–7 Hz (cycles/second) characteristic of all spoken languages has been identified in the…
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Metadata source: Crossref · DOI 10.1098/rsbl.2020.0232